Elbow long a few small bumps is not necessarily ringworm, usually elbow long small bumps common in neurodermatitis, eczema, contact dermatitis, ringworm and other diseases. 1. neurodermatitis: the cause of this disease is unknown, may be related to psychoneurological factors, poor diet, local stimulation, infection and other factors, manifested as paroxysmal intense itching of the skin, lesions for the polygonal flat papules, the surface of the dry, scaly and other symptoms. 2. Eczema: the cause of this disease is unknown, may be related to allergic food, pollen, dust, pathogenic bacterial infection, humid environment and other factors, occurring in the forearm manifested as erythema, papules, papules, blisters, vesicles and other symptoms. 3. contact dermatitis: this disease is mainly caused by contact with irritating substances, such as strong acid, strong alkali, detergents, soaps, chemicals, etc., manifested as erythema, papules, papules, itching, burning sensation and other symptoms. 4. Ringworm: This disease is caused by ringworm infection, papules, blisters or herpes, itching, hyperpigmentation, scaling and other symptoms. It is recommended that patients go to the regular hospital dermatology consultation, follow the doctor’s instructions to clarify the diagnosis, timely treatment, to avoid delaying the condition.